Owner’s Manual 2020

60
Number Description
101 Unlock Block
102 * Pin, Unlock Block Retaining
103 Trigger Assembly
104 Lever, Slide Stop
105 Spring, Slide Stop
106 Pin, Trigger
107 Lever, Take Down
108 * Pin, Fire Control
109 Release, Magazine
110 Spring, Magazine Catch
111F-A Backstrap, Small, Black
111F-B Backstrap, Medium, Black
111F-C Backstrap, Large, Black
112 Pin, Backstrap Retaining
200-A Slide Assembly, FN 509, Black, DS
200-B Slide Assembly, FN 509, Black, NS
201 Slide, FN 509, 9mm, Black
202 Barrel, 4.02"
203 Recoil Spring Assembly
204-A* Sight, Front, Day
204-B* Sight, Front, Night
205-A* Sight, Rear, Day
205-B* Sight, Rear, Night
Number Description
206 Extractor
207-A* Pin, Extractor
208 Spring, Extractor
209 Striker
210 Spring, Striker Return
211 Striker Spring Stop
212 Pin, Striker Spring Stop
213 Spring, Striker
214 Guide, Striker Spring
215 Slide End Cap
216 Block, Striker
217 Spring, Block
300F-A Magazine Assembly, 17 Rd, Black
300F-B Magazine Assembly, 10 Rd, Black
301 Follower, 9mm, Orange
302F Spring, Magazine
303 Catch, Magazine Floorplate
304 Floorplate, Magazine, Black
305F-A Tube, 509F Magazine, 17 Rd
305F-B Tube, 509F Magazine, 10 Rd
400-A Fire Control Assembly, 509, NMS
FN 509 STANDARD MODEL PART LIST